1 // Copyright (c) 2004-2009 Nokia Corporation and/or its subsidiary(-ies).

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

     4 // under the terms of "Eclipse Public License v1.0"

     5 // which accompanies this distribution, and is available

     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 //

    15 

    16 #ifndef EXIFDECODER_H

    17 #define EXIFDECODER_H

    18 

    19 #include "ifdgeneral.h"

    20 #include "exifreaderwriter.h"

    21 

    22 // CExifDecoder - provides specialisation of CExifReaderWriter for use within the 

    23 // Jpeg Exif Decoder

    24 class CExifDecoder : public CExifReaderWriter

    25 	{	

    26 public:

    27 	static CExifDecoder* NewL(const TUint aApp1Size, const TUint8* aData);

    28 

    29 	~CExifDecoder();

    30 	

    31 	// Setters (not supported - this is a decoder)

    32 	TInt SetParam8(TUint aTag, TUint aIfd, HBufC8* aParam);

    33 	TInt SetParam16(TUint aTag, TUint aIfd, HBufC16* aParam);

    34 	TInt SetIntegerParam(TUint aTag, TUint aIfd, TInt aParam);

    35 	TInt SetShortParam(TUint aTag, TUint aIfd, TUint16 aParam);

    36 	TInt SetRationalParam(TUint aTag, TUint aIfd, TInt aNumerator, TInt aDenominator);	

    37 	TInt SetIntegerArrayParam(TUint aTag, TUint aIfd, CArrayFix<TInt>& aParam);

    38 	TInt SetShortArrayParam(TUint aTag, TUint aIfd, CArrayFix<TUint16>& aParam);

    39 	TInt SetRationalArrayParam(TUint aTag, TUint aIfd, CArrayFix<TRational>& aParam);

    40 	

    41 private: // functions

    42 	CExifDecoder();

    43 	void ConstructL(const TUint8* aData, TUint aApp1Size);

    44 	virtual void SetIfd1L();

    45 	

    46 private: // member variables

    47 	};

    48 	

    49 #endif // EXIFDECODER_H